Endoscopic Mucosal Resection for Laterally Spreading Tumors―Technical Procedure, Results Shingo Yasumoto 1 , Ichiro Hirata 2 , Norihiro Hamamoto 1,3 1Second Department of Internal Medicine, Osaka Medical College 2Department of Medicine and Gastroenterology, Fujita Health University, School of Medicine 3Hamamoto Clinic Keyword: 側方発育型大腸腫瘍 , EMR , 一括切除 , 計画的分割切除 pp.1781-1789
Published Date 2005/12/25
DOI https://doi.org/10.11477/mf.1403100181
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 Endoscopic mucosal resection is a standard resection method which is quickly and safely performed for laterally spreading tumors. We select our therapeutic policy by examination of the tumor form (granular type or non-granular type) or tumor size. If we can see the whole tumor, we can perform almost en-bloc resection of a tumor with a diameter under 30mm, whether granular type or non-granular type. However, although piecemeal resection is necessary for granular type lesions ranging from 30mm to 60mm, we can not perform endoscopic resection of non-granular type lesions with a diameter over 30mm, or of granular type lesions with a diameter over 60mm. In these case we use laparoscopic surgery. This is because non-granular type lesions with a diameter over 30mm have often invaded the submucosa and endoscopic resection of granular type lesions with a diameter over 60mm is beyond our capabilities. Endoscopic mucosal resection using a snare device or techniques and solutions for submucosal injection, can be effective for most large lesions. Our paper introduces our technical procedures and results of endoscopic resection.

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